xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

RDMA/mlx5: Replace spinlock protected write with atomic var

Browse Source 
mkey variant calculation was spinlock protected to make it atomic, replace
that with one atomic variable.

Link: https://lore.kernel.org/r/20200310082238.239865-4-leon@kernel.org
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Saeed Mahameed
2020-03-10 10:22:29 +02:00
committed by Jason Gunthorpe
parent a3cfdd3928
commit f743ff3b37
3 changed files with 3 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/infiniband/hw/mlx5/main.c
View File

@@ -6390,7 +6390,7 @@ static int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev)
spin_lock_init(&dev->reset_flow_resource_lock);
xa_init(&dev->odp_mkeys);
xa_init(&dev->sig_mrs);
spin_lock_init(&dev->mkey_lock);
atomic_set(&dev->mkey_var, 0);
spin_lock_init(&dev->dm.lock);
dev->dm.dev = mdev;